High-order directional features and sparse representation based classification for in-air handwritten Chinese character recognition.
Xiwen QuWeiqiang WangKe LuZhangjian JiPublished in: ICME (2016)
Keyphrases
- high order
- directional features
- handwritten chinese character recognition
- sparse representation based classification
- higher order
- face recognition
- sparse representation
- dictionary learning
- sparse coding
- low order
- pairwise
- natural images
- markov random field
- lower order
- face images
- bayesian logistic regression
- data sets
- machine learning
- image classification
- gabor features
- face detection
- image representation
- image processing
- computer vision